Properties of the Number 42587

Forty-Two Thousand Five Hundred Eighty-Seven

Basics

Value: 42586 → 42587 → 42588

Parity: odd

Prime: No

Previous Prime: 42577

Next Prime: 42589

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 37 × 1151

Divisors: 1, 37, 1151, 42587

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011001011011

Octal: 123133

Duodecimal: 2078B

Hexadecimal: a65b

Square: 1813652569

Square Root: 206.36617939962935

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = 28·n² - 1. A158554

Number of partitions p of n not containing round((min(p) + max(p))/2) as a part. A238487

a(n) = (1/5ⁿ) * ∑_k=0..n² ( (binomial(n², k) * 2^n²-k * 3^k) (mod 5ⁿ) ). A376535

Denominators of continued fraction convergents to sqrt(822). A42587